- Oct 13, 2017
- Laurentianite
- IMA Ideal Chemistry changed from "Na3Nb3Si4O17·9H2O" to "[NbO(H2O)]3(Si2O7)2[Na(H2O)2]3"
- May 22, 2017
- Laurentianite
- RRUFF Ideal Chemistry changed from "Na3Nb3Si4O17·9H2O" to "Na3Nb5+3Si4O17·9H2O"
- Dec 20, 2012
- Jun 18, 2011
- Nov 2, 2010
- Laurentianite
- New Mineral Entry
- Mineral Display Name changed to "Laurentianite"
- RRUFF Ideal Chemistry changed to "Na3Nb3Si4O17·9H2O"
- IMA Ideal Chemistry changed to "Na3Nb3Si4O17·9H2O"
- IMA Number changed to "IMA2010-018"
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